Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6373144 | Method and device for controlling a prime mover | Hong Zhang | 2002-04-16 |
| 6065446 | Method for controlling an internal combustion engine | Maximilian Engl, Willibald Schurz | 2000-05-23 |
| 5921219 | Method and device for controlling an internal combustion engine | Hong Zhang | 1999-07-13 |
| 4454912 | Swab hoist use thereof in conveying crude oil and natural gas | Josef Gamperl, Peter Hanak, Gerhard F. Wawra | 1984-06-19 |